Skip to main content
Featured Image for MP4135-3100

A German-made triplex plunger positive displacement pump with reciprocating plungers for belt drive applications.

Spheroidal cast iron crankcase with sight glass and vented dipstick; forged, through-hardened, ground and polished crankshaft; bronze connecting rods; hardened stainless steel plunger bases; solid ceramic plungers; nitrile seals (with fabric reinforcing); stainless steel valves and nickel-aluminum-bronze manifold.

WARNING: This product might contain a chemical known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to

Specification US Metric
Flow17.9 GPM67.7 L/min
Maximum Discharge Pressure1600 PSI110 bar
Crankshaft Speed1100 RPM
Power19.8 HP14.8 KW
Max Temperature160 °F70 °C
Inlet Port Size(2) 1" NPT
Discharge Port Size(2) 3/4" NPT
Plunger Diameter1.18 in.30 mm
Stroke1.18 in.30 mm
Maximum Inlet Pressure90 PSI6.2 bar
Crankshaft Diameter1.1 in.28 mm
Crankshaft RotationTop of Pulley Towards Manifold
Crankshaft MountingEither Side
Crankcase Oil Capacity US33.8 fl. oz. 1.0 L
Weight66 lbs.33 kg
Manifold Material Aluminum Bronze
Crankcase Material Spheroidal Cast Iron
Plunger Material Solid Ceramic Oxide
Valve Material High Grade Stainless Steel
Seal Material Nitrile with Fabric Reinforcing
The repair kits listed to the right are available for this pump. If you need further information about these repair kits, or have questions about other specific parts for your pump, please contact you local Giant distributor or contact Giant customer service.
Plunger Packing Kit – Part #09580
40 07272 V-Sleeve 9
42B 06736 O-Ring 3
53 06965 O-Ring 3
Valve Assembly Kit – Part #09581
44 07280-0100 Valve Seat 6
44A 06003-0001 O-Ring 6
45 07282 Valve Pate 6
46 07283 Valve Spring 6
47 04153 Spring Tension Cap 3
48A 06965 O-Ring, Cap 3
53 06965 O-Ring 3
54 04154 Spring Tension Dosc 3

Horsepower Specifications

RPM GPM 500 PSI 1000 PSI 1300 PSI 1600 PSI
700 11.4 3.9 7.9 10.2 12.6
800 13.0 4.5 9.0 11.7 14.4
900 14.6 5.1 10.1 13.1 16.2
1000 16.3 5.6 11.2 14.6 18.0
1100 17.9 6.2 12.3 16.0 19.8

Images Open in new Window/Tab

  • MP4135-3100 Exploded View
  • MP4135-3100 Parts List


Documents open in new window/tab.

  • Giant Industries Limited Warranty
  • MP4135-3100 Installation Instructions
  • MP4135-3100 Repair Instructions
  • Troubleshooting Guide

Sample Pump

Our Company

For 50 years, Giant Pumps has offered the most dependable positive displacement high-pressure triplex pumps available. Designed and built to the highest quality standards, customers count on Giant Pumps products to keep their equipment running. Every design detail of Giant Pumps products is optimized for long-life and reliable performance, making Giant Pumps the most trusted name in high-pressure pumps and systems.

Learn More

Join Our Newsletter

Get the latest updates from Giant Pumps delivered right to your inbox!

Subscribe to the Giant Newsletter

Back to Top